ASCO 8210G008-MO 1-1/4″ NC Solenoid Valve 5/150 PSI Water/Air 100 PSI Oil 120V

Description

The ASCO 8210G008-MO is a 1-1/4″ normally closed (NC) two-way general-purpose solenoid valve engineered for reliable on/off fluid control across a broad range of HVAC, industrial, and mechanical system applications. Part of ASCO’s trusted Series 8210 lineup, this valve is designed for demanding service with water, air, and oil media, making it a versatile solution for commercial and industrial installations.

The “-MO” suffix designates a manual operator, allowing technicians to manually actuate the valve for commissioning, testing, or emergency override without requiring electrical power — a critical feature for service and maintenance scenarios.

Key Features

• 1-1/4″ pipe connection for high-flow capacity applications
• Normally Closed (NC) operation — valve closes when de-energized for fail-safe performance
• Manual operator (MO) for override capability during testing and commissioning
• 120V AC coil voltage for standard commercial power compatibility
• Rated for water and air service: 5–150 PSI operating pressure range
• Rated for oil service: up to 100 PSI operating pressure
• Two-way, direct-acting or pilot-operated design for dependable open/close control
• Durable construction built to ASCO’s industry-leading quality standards

Specifications

• SKU: 8210G008-MO
• Brand: ASCO
• Valve Type: 2-Way, Normally Closed (NC)
• Port Size: 1-1/4″ (1.25″)
• Coil Voltage: 120V AC
• Water/Air Pressure Rating: 5–150 PSI
• Oil Pressure Rating: 100 PSI
• Manual Operator: Yes (MO)
• Series: 8210

Applications

• HVAC water and chilled water systems
• Compressed air lines and pneumatic systems
• Oil supply and lubrication systems
• Industrial process control and automation
• Boiler and hydronic system fluid control

ASCO solenoid valves are a globally recognized standard in fluid automation, trusted by HVAC contractors and mechanical engineers for their long service life, broad media compatibility, and ease of installation. The 8210G008-MO delivers that same proven reliability in a 1-1/4″ normally closed configuration with the added convenience of a manual operator.